<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title>单元格间距(Cell spacing)</title>
</head>
<body>

<h4>没有 cellspacing：</h4>
<table border="1">
  <tr>
    <td>First</td>
    <td>Row</td>
  </tr>
  <tr>
    <td>Second</td>
    <td>Row</td>
  </tr>
</table>

<h4>带有 cellspacing：</h4>
<table border="1" cellspacing="10">
  <tr>
    <td>First</td>
    <td>Row</td>
  </tr>
  <tr>
    <td>Second</td>
    <td>Row</td>
  </tr>
</table>

</body>
</html>